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-rw-r--r--test/Transforms/InstCombine/cast-malloc.ll7
1 files changed, 6 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/cast-malloc.ll b/test/Transforms/InstCombine/cast-malloc.ll
index 2458bf3..e863197 100644
--- a/test/Transforms/InstCombine/cast-malloc.ll
+++ b/test/Transforms/InstCombine/cast-malloc.ll
@@ -1,6 +1,11 @@
; test that casted mallocs get converted to malloc of the right type
-; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep bitcast
+; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
+; RUN: not grep bitcast
+; The target datalayout is important for this test case. We have to tell
+; instcombine that the ABI alignment for a long is 4-bytes, not 8, otherwise
+; it won't do the transform.
+target datalayout = "e-l:32:64"
int* %test(uint %size) {
%X = malloc long, uint %size
%ret = bitcast long* %X to int*